TY - GEN AU - Brickenkamp, C S AU - Koenig, Joan A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.HB.133e3supp2 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - Checking the net contents of packaged goods: ER -